The most recent figure showed a healthy gain for Windows 8 from its 4.27 percent share in May and continued growth since its official release in October. Over the same time, Vista has seen its popularity plummet, though its June share actually showed a slight rise from 4.51 percent in May.

Vista's successor, Windows 7, remained the top dog of operating systems with a share of 44.37 percent last month, leaving the older Windows XP in second place with 37.17 percent. Looking at it from a broader view, Windows in general captured 91.51 percent of the market in June, followed by the Mac OS with 7.2 percent and Linux with 1.28 percent.

What Amazon's one-day shipping means for you: Last week, Amazon announced it will decrease the standard shipping time for Prime members from two days to one. In this Tech Minute, here's how this change will impact your deliveries.